A mobile ground power unit has a housing in which an engine and an electric generator are disposed. The housing features at least one rotor molded or rotor cast component the housing features at least one rotor molded or rotor cast component that serves as an outer shell or part of the outer shell of the housing, whereby the housing features as the at least one rotor molded or rotor cast component one of a canopy covering at least the upper side of the engine and/or the generator a cable tray arranged sideways in relation to the engine and/or the electric generator.

The present invention discloses a system for providing mobile power, in which the required equipment for the power supply system at fracturing fields as well as connection cables and connection hoses are integrated properly, assigned onto three transport vehicles for movement and effectively connected. Intake components and a turbine generation system are combined on a first transport vehicle and installed together, then transported to customer sites directly, thus saving the installation time at the user sites. The two different designs on the locations of an exhaust stack and an exhaust silencer not only meet the requirements of road transportation, but also meet the requirements of exhaust gas emission during operations.

An electrical system for a mobile power generation device and a mobile power generation device are disclosed. The electrical system includes an electrical cabin and a generator switch cabinet located inside the electrical cabin and including a generator switch device, the generator switch device being configured to connect or disconnect the generator of the mobile power generation device from an external load, the generator switch cabinet further includes a first output end configured to be electrically connected to the external load through a connection conductor, the first output end includes a connection terminal or a connector, the electrical cabin includes a first bottom plate, the generator switch cabinet is arranged on the first bottom plate, and the first bottom plate includes a first hollow portion, and an orthographic projection of the generator switch cabinet on the first bottom plate is at least partially overlapped with the first hollow portion.

A fuel-tank-equipped working machine is provided, which is capable of securing a fuel tank to be large in a state where the fuel-tank-equipped working machine is secured to be compact. A generator 10 as a working machine includes a fuel tank 25 supported at an outer case 12. The working machine 10 includes a tank opening 35 that is formed at the outer case 12, a mounting concave portion 38 that is formed on the fuel tank 25, and a cushion portion 37 that is capable of being housed in the mounting concave portion 38. The tank opening 35 is formed so as to be able to expose an upper half part 25a of the fuel tank 25 to an outside 14 of the outer case 12. Further, the cushion portion 37 has a fitting groove 63 capable of being fitted to an opening rim 36 of the tank opening 35.

A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also arranged in the first area. The system further includes a variable frequency drive (VFD), arranged in a second area proximate the first area, connected to the at least one electric motor to control the speed of the at least one electric motor. The system includes a transformer, arranged in a third area proximate the second area. The system also includes a cooling system, arranged in a fourth area proximate the third area, the cooling system providing a cooling fluid to the VFD via one or more headers.

A frac system includes an engine, the engine having a crankshaft and a radiator. The radiator includes a radiator cooling fan. The frac system also includes a transmission coupled to the engine and a frac pump coupled to the transmission, the frac pump including a frac pump lubricating oil pump. The frac system further includes a traction drive motor system. The traction drive motor system includes a first set of traction drive motors, the first set of traction drive motors mechanically connected to the crankshaft. The traction drive motor system also includes a second set of traction drive motors, the second set of traction drive motors mechanically connected to the radiator cooling fan. In addition, the traction drive motor system includes third set of traction drive motors, the third set of traction drive motors mechanically connected to the frac pump lubricating oil pump.

A turbomachinery power generation station can be too large and heavy for transportation. Thus, embodiments are disclosed for separating a full power generation station into road-ready turbine and generator trailers, as well as realigning and recoupling the trailers for operation of the power generation station at a desired destination.

An air filtration system is coupled to an inlet of an enclosure of or to a piece of equipment. The air filtration system is coupled to the enclosure at the air inlet such that air entering the enclosure through the air inlet passes through the air filtration system. The air filtration system includes a frame assembly. The frame assembly includes an outer frame and a support mesh. The outer frame is coupled to the enclosure. The air filtration system includes a door assembly. The door assembly includes a door frame and a door support mesh. The door assembly is received by and mechanically coupled to the frame assembly. The air filtration system includes filter media positioned in an interior of the air filtration system defined by the frame assembly and the door assembly.

An example hybrid power system includes a mobile platform comprising: a generator set comprising: a reciprocating engine configured to convert natural gas into rotational mechanical energy; and a generator configured to convert rotational mechanical energy sourced from the reciprocating engine into electrical energy; an electrical energy storage system (ESS) configured to store electrical energy; an electrical motor configured to convert electrical energy sourced from a combination of the generator set and the ESS into rotational mechanical energy; and a pump configured to operate using rotational mechanical energy sourced from the electrical motor.

An efficient, low-noise power generation system may comprise a power generation trailer including a cooling subsystem. The cooling subsystem may include a plurality of cooling fans and a polygonal structure having an open top. The polygonal structure may comprise a plurality of vertical radiator cores arranged so as to form a polygon in which the plurality of radiator cores define side walls. The cooling fans may be mounted within the polygonal structure. The cooling subsystem may include a cooling fan motor for each fan and a cooling fan controller that controls operation of each cooling fan motor in response to at least one measured parameter, which may be the temperature of a fluid flowing through one or more radiator cores. At least one fan is oriented so as to push air out of the top of the polygonal structure. The polygonal structure may have four sides.